# SDR IPXA2023010389495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2023
- Submitted: January 3, 2023
- Operation: Air carrier
- Aircraft: [N260UP](https://openairdocs.org/aircraft/N260UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48418
- Aircraft time: 84,393 hours, 18,377 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Chain
- Condition: Broken
- Location: L1 Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023010389495

## Discrepancy

L1 DOOR EMERGENCY OPERATION INOP.  L1 EMER DOOR CHAIN BROKEN.  R & R THE SPROCKET FOR THE FWD L1 DOOR POWER DRIVE SUPPORT ASSY IAW CMM 52-11-09, REPLACED ROLLER CHAIN IAW CMM 52-11-09 7793949.  PERFORMED PNEUMATIC OPS CHECK IAW AMM 52-11-04.  SERVICED RESEVOIR IAW AMM 12-25-04.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.